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Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 5 am Friday 05 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
10.6° C
(Which is normal for this time of year)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 12PM is: 2.2m 6s primary swell from a South-southwest direction and 1.0m 6s secondary swell from a Southwest direction (forecast issued at 05:00am December 05). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | 2.5ft (0.7m) | 9s |
| Afternoon (05 Dec) | 10ft (3.0m) | 7s |
| Evening (05 Dec) | 10ft (3.0m) | 10s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | Mon 08 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 6 | 7 | 9 | 10 | 10 | 10 | 11 | 10 | 16 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 7 | 9 | 10 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 186 | 202 | 81 | 381 | 864 | 1581 | 1764 | 1729 | 1824 | 3051 | 2785 | 6263 | 2078 | 1981 | 1644 | 1019 | 480 | 362 | 286 | 208 | 389 | 715 | 945 | 846 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | on | cross- on | cross- on | cross- on | on | cross- off | cross | cross- on |
High Tide / height (m) | 7:47AM 4.63 | 8:12PM 4.59 | 8:33AM 4.72 | 8:59PM 4.50 | 9:20AM 4.70 | 9:46PM 4.28 | ||||||||||||||||||
Low Tide / height (m) | 3:03PM 0.14 | 3:25AM 0.27 | 3:54PM 0.08 | 4:13AM 0.36 | 4:45PM 0.13 | |||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | Mon 08 | |||||||||||||||||||||
| Sunrise | - | - | 8:11 | - | - | - | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:02 | - | - | - | - | - | - | - | 4:02 | - | - | - |
 | |  |  | |  | |  | | | | |  |  |  | | | | | | | | | | |
Rain (mm) | 1 | 1 | 1 | - | 1 | 5 | 3 | - | 2 | 1 | 1 | 1 | 2 | - | - | - | - | 1 | 1 | 4 | 5 | 1 | - | - |
| Temp. °C | 10 | 10 | 9 | 9 | 9 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 11 | 11 | 11 |
| Feels °C (?) | 4 | 4 | -1 | -3 | -7 | 1 | -1 | 0 | 1 | 2 | 1 | 0 | 0 | 2 | 3 | 5 | 7 | 6 | 6 | 5 | 5 | 4 | 2 | 5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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